Statement I : The gravitational force on a particle inside a spherical shell is zero.

Statement II : The shell shields other bodies outside it from exerting gravitational forces on a particle inside.

If both statement I and statement II are true and statement II is the correct explanation of statement I.

If both statement I and statement II are false 

If both statement I and statement II are true but statement II is not the correct explanation of statement I.

If statement I is true but statement II is false